242 lines
9.6 KiB
TypeScript
242 lines
9.6 KiB
TypeScript
/**
|
|
* @license
|
|
* Copyright Google Inc. All Rights Reserved.
|
|
*
|
|
* Use of this source code is governed by an MIT-style license that can be
|
|
* found in the LICENSE file at https://angular.io/license
|
|
*/
|
|
|
|
import {AnimationOptions, animate, state, style, transition} from '@angular/animations';
|
|
import {AnimationTransitionInstruction} from '@angular/animations/browser/src/dsl/animation_transition_instruction';
|
|
import {AnimationTrigger} from '@angular/animations/browser/src/dsl/animation_trigger';
|
|
|
|
import {ENTER_CLASSNAME, LEAVE_CLASSNAME} from '../../src/util';
|
|
import {MockAnimationDriver} from '../../testing';
|
|
import {makeTrigger} from '../shared';
|
|
|
|
{
|
|
describe('AnimationTrigger', () => {
|
|
// these tests are only mean't to be run within the DOM (for now)
|
|
if (typeof Element == 'undefined') return;
|
|
|
|
let element: any;
|
|
beforeEach(() => {
|
|
element = document.createElement('div');
|
|
document.body.appendChild(element);
|
|
});
|
|
|
|
afterEach(() => { document.body.removeChild(element); });
|
|
|
|
describe('trigger validation', () => {
|
|
it('should group errors together for an animation trigger', () => {
|
|
expect(() => {
|
|
makeTrigger('myTrigger', [transition('12345', animate(3333))]);
|
|
}).toThrowError(/Animation parsing for the myTrigger trigger have failed/);
|
|
});
|
|
|
|
it('should throw an error when a transition within a trigger contains an invalid expression',
|
|
() => {
|
|
expect(
|
|
() => { makeTrigger('name', [transition('somethingThatIsWrong', animate(3333))]); })
|
|
.toThrowError(
|
|
/- The provided transition expression "somethingThatIsWrong" is not supported/);
|
|
});
|
|
|
|
it('should throw an error if an animation alias is used that is not yet supported', () => {
|
|
expect(() => {
|
|
makeTrigger('name', [transition(':angular', animate(3333))]);
|
|
}).toThrowError(/- The transition alias value ":angular" is not supported/);
|
|
});
|
|
});
|
|
|
|
describe('trigger usage', () => {
|
|
it('should construct a trigger based on the states and transition data', () => {
|
|
const result = makeTrigger('name', [
|
|
state('on', style({width: 0})),
|
|
state('off', style({width: 100})),
|
|
transition('on => off', animate(1000)),
|
|
transition('off => on', animate(1000)),
|
|
]);
|
|
|
|
expect(result.states['on'].buildStyles({}, [])).toEqual({width: 0});
|
|
expect(result.states['off'].buildStyles({}, [])).toEqual({width: 100});
|
|
expect(result.transitionFactories.length).toEqual(2);
|
|
});
|
|
|
|
it('should allow multiple state values to use the same styles', () => {
|
|
const result = makeTrigger('name', [
|
|
state('on, off', style({width: 50})), transition('on => off', animate(1000)),
|
|
transition('off => on', animate(1000))
|
|
]);
|
|
|
|
|
|
expect(result.states['on'].buildStyles({}, [])).toEqual({width: 50});
|
|
expect(result.states['off'].buildStyles({}, [])).toEqual({width: 50});
|
|
});
|
|
|
|
it('should find the first transition that matches', () => {
|
|
const result = makeTrigger(
|
|
'name', [transition('a => b', animate(1234)), transition('b => c', animate(5678))]);
|
|
|
|
const trans = buildTransition(result, element, 'b', 'c') !;
|
|
expect(trans.timelines.length).toEqual(1);
|
|
const timeline = trans.timelines[0];
|
|
expect(timeline.duration).toEqual(5678);
|
|
});
|
|
|
|
it('should find a transition with a `*` value', () => {
|
|
const result = makeTrigger('name', [
|
|
transition('* => b', animate(1234)), transition('b => *', animate(5678)),
|
|
transition('* => *', animate(9999))
|
|
]);
|
|
|
|
let trans = buildTransition(result, element, 'b', 'c') !;
|
|
expect(trans.timelines[0].duration).toEqual(5678);
|
|
|
|
trans = buildTransition(result, element, 'a', 'b') !;
|
|
expect(trans.timelines[0].duration).toEqual(1234);
|
|
|
|
trans = buildTransition(result, element, 'c', 'c') !;
|
|
expect(trans.timelines[0].duration).toEqual(9999);
|
|
});
|
|
|
|
it('should null when no results are found', () => {
|
|
const result = makeTrigger('name', [transition('a => b', animate(1111))]);
|
|
|
|
const trigger = result.matchTransition('b', 'a');
|
|
expect(trigger).toBeFalsy();
|
|
});
|
|
|
|
it('should support bi-directional transition expressions', () => {
|
|
const result = makeTrigger('name', [transition('a <=> b', animate(2222))]);
|
|
|
|
const t1 = buildTransition(result, element, 'a', 'b') !;
|
|
expect(t1.timelines[0].duration).toEqual(2222);
|
|
|
|
const t2 = buildTransition(result, element, 'b', 'a') !;
|
|
expect(t2.timelines[0].duration).toEqual(2222);
|
|
});
|
|
|
|
it('should support multiple transition statements in one string', () => {
|
|
const result = makeTrigger('name', [transition('a => b, b => a, c => *', animate(1234))]);
|
|
|
|
const t1 = buildTransition(result, element, 'a', 'b') !;
|
|
expect(t1.timelines[0].duration).toEqual(1234);
|
|
|
|
const t2 = buildTransition(result, element, 'b', 'a') !;
|
|
expect(t2.timelines[0].duration).toEqual(1234);
|
|
|
|
const t3 = buildTransition(result, element, 'c', 'a') !;
|
|
expect(t3.timelines[0].duration).toEqual(1234);
|
|
});
|
|
|
|
describe('params', () => {
|
|
it('should support transition-level animation variable params', () => {
|
|
const result = makeTrigger(
|
|
'name',
|
|
[transition(
|
|
'a => b', [style({height: '{{ a }}'}), animate(1000, style({height: '{{ b }}'}))],
|
|
buildParams({a: '100px', b: '200px'}))]);
|
|
|
|
const trans = buildTransition(result, element, 'a', 'b') !;
|
|
const keyframes = trans.timelines[0].keyframes;
|
|
expect(keyframes).toEqual([{height: '100px', offset: 0}, {height: '200px', offset: 1}]);
|
|
});
|
|
|
|
it('should subtitute variable params provided directly within the transition match', () => {
|
|
const result = makeTrigger(
|
|
'name',
|
|
[transition(
|
|
'a => b', [style({height: '{{ a }}'}), animate(1000, style({height: '{{ b }}'}))],
|
|
buildParams({a: '100px', b: '200px'}))]);
|
|
|
|
const trans = buildTransition(result, element, 'a', 'b', {}, buildParams({a: '300px'})) !;
|
|
|
|
const keyframes = trans.timelines[0].keyframes;
|
|
expect(keyframes).toEqual([{height: '300px', offset: 0}, {height: '200px', offset: 1}]);
|
|
});
|
|
});
|
|
|
|
it('should match `true` and `false` given boolean values', () => {
|
|
const result = makeTrigger('name', [
|
|
state('false', style({color: 'red'})), state('true', style({color: 'green'})),
|
|
transition('true <=> false', animate(1234))
|
|
]);
|
|
|
|
const trans = buildTransition(result, element, false, true) !;
|
|
expect(trans.timelines[0].duration).toEqual(1234);
|
|
});
|
|
|
|
it('should match `1` and `0` given boolean values', () => {
|
|
const result = makeTrigger('name', [
|
|
state('0', style({color: 'red'})), state('1', style({color: 'green'})),
|
|
transition('1 <=> 0', animate(4567))
|
|
]);
|
|
|
|
const trans = buildTransition(result, element, false, true) !;
|
|
expect(trans.timelines[0].duration).toEqual(4567);
|
|
});
|
|
|
|
it('should match `true` and `false` state styles on a `1 <=> 0` boolean transition given boolean values',
|
|
() => {
|
|
const result = makeTrigger('name', [
|
|
state('false', style({color: 'red'})), state('true', style({color: 'green'})),
|
|
transition('1 <=> 0', animate(4567))
|
|
]);
|
|
|
|
const trans = buildTransition(result, element, false, true) !;
|
|
expect(trans.timelines[0].keyframes).toEqual([
|
|
{offset: 0, color: 'red'}, {offset: 1, color: 'green'}
|
|
]);
|
|
});
|
|
|
|
it('should match `1` and `0` state styles on a `true <=> false` boolean transition given boolean values',
|
|
() => {
|
|
const result = makeTrigger('name', [
|
|
state('0', style({color: 'orange'})), state('1', style({color: 'blue'})),
|
|
transition('true <=> false', animate(4567))
|
|
]);
|
|
|
|
const trans = buildTransition(result, element, false, true) !;
|
|
expect(trans.timelines[0].keyframes).toEqual([
|
|
{offset: 0, color: 'orange'}, {offset: 1, color: 'blue'}
|
|
]);
|
|
});
|
|
|
|
describe('aliases', () => {
|
|
it('should alias the :enter transition as void => *', () => {
|
|
const result = makeTrigger('name', [transition(':enter', animate(3333))]);
|
|
|
|
const trans = buildTransition(result, element, 'void', 'something') !;
|
|
expect(trans.timelines[0].duration).toEqual(3333);
|
|
});
|
|
|
|
it('should alias the :leave transition as * => void', () => {
|
|
const result = makeTrigger('name', [transition(':leave', animate(3333))]);
|
|
|
|
const trans = buildTransition(result, element, 'something', 'void') !;
|
|
expect(trans.timelines[0].duration).toEqual(3333);
|
|
});
|
|
});
|
|
});
|
|
});
|
|
}
|
|
|
|
function buildTransition(
|
|
trigger: AnimationTrigger, element: any, fromState: any, toState: any,
|
|
fromOptions?: AnimationOptions, toOptions?: AnimationOptions): AnimationTransitionInstruction|
|
|
null {
|
|
const trans = trigger.matchTransition(fromState, toState) !;
|
|
if (trans) {
|
|
const driver = new MockAnimationDriver();
|
|
return trans.build(
|
|
driver, element, fromState, toState, ENTER_CLASSNAME, LEAVE_CLASSNAME, fromOptions,
|
|
toOptions) !;
|
|
}
|
|
return null;
|
|
}
|
|
|
|
function buildParams(params: {[name: string]: any}): AnimationOptions {
|
|
return <AnimationOptions>{params};
|
|
}
|